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Finding the Fourth Proportional to 1,444.01, 2,166.22 and 470.26

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Solution

The fourth proportional to 1,444.01, 2,166.22 and 470.26 is: 705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.01 : 2,166.22 = 470.26 : x
  2. Step 2: Convert to fraction form
    1,444.01/2,166.22 = 470.26/x
  3. Step 3: Cross multiply
    1,444.01x = 2,166.22 × 470.26
  4. Step 4: Simplify right side
    1,444.01x = 1,018,675.79
  5. Step 5: Solve for x
    x = 1,018,675.79/1,444.01
  6. Step 6: Final answer
    x = 705.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.